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Finding the Fourth Proportional to 70,341.72, 105,521.25 and 22,944.14

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Solution

The fourth proportional to 70,341.72, 105,521.25 and 22,944.14 is: 34,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.72 : 105,521.25 = 22,944.14 : x
  2. Step 2: Convert to fraction form
    70,341.72/105,521.25 = 22,944.14/x
  3. Step 3: Cross multiply
    70,341.72x = 105,521.25 × 22,944.14
  4. Step 4: Simplify right side
    70,341.72x = 2,421,094,332.98
  5. Step 5: Solve for x
    x = 2,421,094,332.98/70,341.72
  6. Step 6: Final answer
    x = 34,419.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.